Headset



FIG. 1 is a front perspective view of a headset showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showings of the seams and regions of the headset are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a headset, as shown and described. 